Hastelloy B- 3 alloy has corresponding similar grades in different countries and regions, as follows:
-US: Hastelloy B- 3, UNS N10675
-China: NS322
Europe: 2.4600
Hastelloy B- 3
Hastelloy B- 3 Alloy Properties
Hastelloy B- 3 alloy is a nickel-molybdenum-based alloy known for its excellent corrosion resistance, especially stability in reducing environments. The alloy has a wide range of applications in the chemical and petrochemical industries, especially for high temperature and strong acid environments.
Ingredients
|
element |
Content (%) |
|
Nickel (Ni) |
margin |
|
Molybdenum (Mo) |
28.0-32.0 |
|
Chromium (Cr) |
≤ 1.0 |
|
Iron (Fe) |
3.0-5.0 |
|
Tungsten (W) |
≤ 3.0 |
|
Titanium (Ti) |
≤ 0.2 |
|
Silicon (Si) |
≤ 0.1 |
|
carbon (C) |
≤ 0.01 |
physical properties
|
performance index |
value |
|
density |
9.24 g/cm³ |
|
melting point |
1370-1400°C |
|
Coefficient of thermal expansion (20-1000°C) |
10.4 x 10⁻⁶ /°C |
|
thermal conductivity |
9.1 W/(m·K) |
|
modulus of elasticity |
206 GPa |
heat treatment
|
Processing Steps |
Description |
|
solution treatment |
was rapidly cooled after heating at 1065°C. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can improve strength.
·Hot processing: suitable for 870-1230°C.
·welding: tungsten argon arc welding can be used, and heat treatment is required after welding.
Application
·Chemical industry: used for reactors and pipelines in strong acid, especially hydrofluoric acid environment.
·petrochemical industry: high temperature and high pressure acid medium equipment.
·nuclear industry: suitable for high temperature and strong corrosive environment.
Hastelloy B- 3 alloys are available in different shapes and sizes, including plates, bars, wires and forgings.
